If x + 8y = 20 and x = -3y, then y =

Answer Posted / etty

If x + 8y = 20 and x = -3y
then

-3y + 8y = 20
so, -5y = 20

y = -4

Is This Answer Correct ?    8 Yes 11 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

all apscsc question papers

2047


Find the missing number in the series: 2, 5, __ , 19 , 37, 75

824


Imagine 4 persons A,B,C,D.(It is a strength determining game). A found it hard,but could pull 'c' and 'd' to his side. AC and BD pairs on opposite sides found themselves equally balanced. When A and B exchanged their positions to form pairs AD and BC ,BC pair could win and pull AD to their side.Order the 4 persons in Ascending order according to their strengths.

690


In a typical motor cycle rally, every motor cycle has to reach a speed of 20 m/min within a minute and it increase its speed by 20 m/min and the sum was 1600 m/min. Four minutes later, a new motor cyclist started running in the race. After another two minutes, the motor cyclist with the speed of 400 m/min stopped due to injuries and again two new motor cyclist started running in the race. What is the current average speed?

677


Mr. Sohan works for Azania Company. The company grants 1000 shares to Mr. Sohan in 2008. At that point each share is worth Rs. 100. In 2010, he decides to sell his entire stake and at that point, the value is Rs. 120 per share. The government declares that the tax to be paid is 10% of the entire profit. Due to the inflation, the value of a rupee in 2010 is equivalent to 0.8 of a rupee in 2008. In this situation, which of the following model indicates the actual tax to be paid by the investor?

761






Sum of slopes of 2 perpendicular st. lines is given. Find the pair of lines from the given set of options which satisfy the above condition?

755


If x,y,z are chosen frm -3,1/2,2 what is the largest value of (x/y)*z*z

724


If the ratio of the areas of 2 queres is 2:1, then the ratio of the perimeters of the squares is

728


Adam stands facing towards northwest direction.He walks 61 m and then turns southwards and walks another 60 m. How far is he from the starting point.?

719


In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years.

1042


If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).

845


In a box there are four different coloured bells,of some quantity (4 each ) what is the minimum number of pick ups so that, atleast 2 of them of the same colour.

745


In Bangalore, during income tax deduction for a single person, the percentage increased by 3% and for middle house-holders, it decreased by 3%. What can you infer?

676


What are the areas shell do ask questions during their technical selection test? send it to my email: kingsbogon@yahoo.com ,Thank you in advance

1592


A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?

786